-er -up a-a a-b a-c aaa aab aac aae aah aak aao aap aar aas aau ab- aba abb abc abe abh abk abo abp abr abs abu ac- aca acb acc ace ach ack aco acp acr acs acu aea aeb aec aee aeh aek aeo aep aer aes aeu aha ahb ahc ahe ahh ahk aho ahp ahr ahs ahu aka akb akc ake akh akk ako akp akr aks aku aoa aob aoc aoe aoh aok aoo aop aor aos aou ap- apa apb apc ape aph apk apo app apr aps apu ar- ara arb arc are arh ark aro arp arr ars aru as- asa asb asc ase ash ask aso asp asr ass asu au- aua aub auc aue auh auk auo aup aur aus b-p b-u baa bab bac bae bah bak bao bap bar bas bau bba bbb bbc bbe bbh bbk bbo bbp bbr bbs bbu bca bcb bcc bce bch bck bco bcp bcr bcs bcu be- bea beb bec bee beh bek beo bep ber bes beu bha bhb bhc bhe bhh bhk bho bhp bhr bhs bhu bka bkb bkc bke bkk bko bkp bkr bks boa bob boc boe boh bok boo bop bor bos bou bpa bpb bpc bpe bph bpo bpp bpr bps bpu bra brb bre brh brk bro brp brr brs bru bsa bsb bsc bse bsh bsk bso bsp bsr bss bsu bua bub buc bue buh buk buo bup bur bus buu c-- caa cab cac cae cah cak cao cap car cas cau cba cbb cbc cbe cbh cbk cbo cbp cbr cbs cbu cca ccb ccc cce cch cck cco ccp ccr ccs ccu ce- cea ceb cec cee ceh cek ceo cep cer ces ceu ch- cha chb chc che chh chk cho chp chr chs chu cka ckb ckc ckh cko cks co- coa cob coc coe coh cok coo cop cor cos cou cpa cpb cpc cpe cph cpk cpo cpp cpr cps cpu cra crb crc cre crh crk cro crp crr crs cru csa csb csc cse csh csk cso csp csr css csu cua cub cuc cue cuh cuk cuo cup cur cus cuu eaa eab eac eae eah eak eao eap ear eas eau eba ebb ebc ebe ebh ebk ebo ebp ebr ebs ebu ec- eca ecb ecc ece ech eck eco ecr ecs ecu eea eeb eec eee eek eeo eep eer ees eha ehb ehc ehe ehh eho ehp ehr ehs ehu eka ekb ekc eke ekh eko ekp ekr eks eku eo- eoa eob eoc eoe eoh eok eoo eop eor eos eou ep- epa epb epc epe eph epo epp epr eps epu era erb erc ere erh erk ero erp err ers eru es- esa esb esc ese esh esk eso esp esr ess esu eu- eua eub euc eue eup eur eus haa hab hac hae hah hak hao hap har has hau hba hbb hbc hbe hbh hbk hbo hbp hbr hbs hbu hca hcb hcc hce hch hck hco hcp hcr hcs he- hea heb hec hee heh hek heo hep her hes heu hha hhb hhc hhe hhh hhk hho hhp hhr hhs hhu hka hkb hkh hkk hko hkp hkr hks hku hoa hob hoc hoe hoh hok hoo hop hor hos hou hpa hpb hpc hpe hph hpk hpo hpp hpr hps hpu hr- hra hrb hrc hre hrh hrk hro hrp hrr hrs hru hsa hsb hsc hse hsh hsk hsp hsr hss hsu hua hub huc hue huh huk huo hup hur hus huu ka- kaa kab kac kae kah kak kao kap kar kas kau kba kbb kbc kbe kbh kbk kbo kbp kbr kbs kbu kca kcb kcc kce kch kck kcp kcr kcs kcu ke- kea keb kec kee keh kek keo kep ker kes kha khe khh khk kho khr khs khu kkb kkc kke kkh kkk kkp kkr kks kku koa kob koc koe koh kok koo kop kor kos kou kpa kpc kpe kph kpk kpo kpp kpr kps kpu kra krc krk kro krp krr krs kru ksa ksb ksc kse ksh ksk kso ksp ksr kss ksu kub kuc kue kuh kuk kup kur kus kuu oaa oab oac oae oah oak oao oap oar oas oau ob- oba obb obc obe obh obk obo obp obr obs obu oc- oca ocb occ och ock oco ocp ocr ocs ocu oea oeb oec oee oeh oeo oep oer oes oha ohc ohe ohh oho ohp ohr ohs ohu oka okb okc oke okk oko okp okr oks oku oo- ooa oob ooc ooh ook ooo oop oor oos op- opa opb opc ope oph opk opo opp opr ops or- ora orb orc ore orh ork oro orp orr ors oru os- osa osb osc ose osh osk oso osp osr oss osu ou- oua ouc oue ouh ouk ouo oup our ous p-p paa pab pac pae pah pak pao pap par pas pau pba pbb pbc pbe pbk pbo pbp pbr pbs pbu pca pcb pcc pce pch pck pco pcp pcr pcs pcu pea peb pec pee peh pek peo pep per pes peu pha phb phc phe phk pho php phr phs phu pka pkb pkc pke pko pkp pkr pks pku poa pob poc poe poh pok poo pop por pos pou ppa ppb ppc ppe pph ppk ppo ppp ppr pps ppu pra prb prc pre prh prk pro prp prr prs pru ps- psa psb psc pse psh psk pso psp psr pss psu pua pub puc pue puh puk pup pur pus puu ra- raa rab rac rae rah rak rao rap rar ras rau rba rbb rbc rbe rbh rbk rbo rbp rbr rbs rbu rca rcb rcc rce rch rco rcp rcr rcs rcu re- rea reb rec ree reh rek reo rep rer res reu rh- rha rhb rhc